High-quality materials: The leather shell is made of high-quality cowhide leather with good sealing performance, sufficient water absorption, and steam pressure resistance, allowing for fast flow. It is treated with wax and resists deformation after prolonged soaking in water. Affordable set: This package includes 4 brown jug pump leather shells, providing enough quantity for daily use and replacement needs. Perfect size: The leather shell measures approximately 2 inches (5.3 cm) in diameter and 0.16 inches (4 mm) in thickness, compatible with model 75 water pump handle pumps. Suggestions for use: Soak the leather before use to enhance elasticity and ease of assembly. Easy to use: These hand water pump parts are simple to install and provide reliable sealing, helping restore your water pump efficiently.